body {
	width: 100%;
	background-image: url(../images/screen.jpg);
	background-position: left top;
	background-size: 100% auto;
	background-repeat: no-repeat;
}

#screen {
	width: 837px;
	height: 462px;
	margin: 20px auto;
	background-color: #FFFFFF;
	overflow-y: scroll;
}
